6º Unit 2

Which one is NOT a part of the digestive system?

• Oesophagus

• Trachea

• Stomach

• Intestine

It is a membrane which separates the trachea and oesophagus

• Heart

• Lung

• Tongue

• Epiglottis

What is the bolus?

• The mass of food formed after it is chewed in the mouth

• The mass of food formed after it is digested in the stomach

• The mass of food formed after it is digested in the intestines

The small intestine...

• Breaks the food into small pieces

• Absorbs nutrients from food

• Is 1 meter long

Which one is not a part of the respiratory system?

• Alveoli

• Lungs

• Bronchi

• Oesophagus

When we inhale...

• The diaphragm goes down and the ribcage expands

• The diaphragm goes up and the ribcage contracts

• The diaphragm goes down and the ribcage contracts

It is a yellow liquid that is 90% water

• Red blod cells

• White blood cells

• Platelets

• Plasma

They attack bacteria or viruses that enter the body

• Red blood cells

• White blood cells

• Platelets

• Plasma

Carry blood from the heart to capillaries ...

• Arteries

• Venis

• Capillaries

Gas exchange happens in them

• Arteries

• Veins

• Capillaries